[Disksim-users] Disk Scheduling Algorithms

[John Bucy]

The manual has references to the various literature where these
algorithms are described.  And you can always look at the source code.
 Beyond that, I don't really know.  I imagine many of those were
"one-offs" that someone needed at some time or another for one
experiment that accumulated in the codebase.  I'd stick to the
algorithms used in validated diskspecs or make sure you really
understand what the algorithm is doing before you mess with some of
the more esoteric ones.



john

On 1/23/06, Ozlem Akpinar <ozlemakp at gmail.com> wrote:
> Hi,
> Is there a brief description of the 27 scheduling algorithms used by
> DiskSim? I don't understand what the extensions CYL, and OPT refer to.
> What is
> CYCLE_LBN,
> WPTF_OPT (Weighted with respect to what?)
> SDF
> TSPS
> SPTF_ROT_OPT
>
> SPTF_ROT_WEIGHT
>
> SPTF_SEEK_WEIGHT
>
> Lastly, are C-SCAN, LOOK and C-LOOK simulated?
>
> Thank you.
> Ozlem
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